Metallic construction of surfaces or parts of aeroplanes or the like



Aug. 3 1926. 1,595,042

M. H. M. J.wxBAULT METALLIC CONSTRUCTION oF sUHFAcEs OR PARTS oF AEROPLANES ou THE LIKE Filed sept. g, 1924 e Figi. 1

da C d fm i time infr o Litton dpplieaitlon :tiled ltlepteinleer El, 'lllflllt lleriel. Illt'tn 'llttlflli ond in Illrenee September 1U, 211.95m.

'lFlie present irwention relzrtes` to e inetliod ot metallic eonetruetion oit euritecee or parte oit eeroplruiee or tlie likeE eoinprisingm e ine" lollio gg'irder like etrueture,.constituted lor" operej rino or the like, upon ,wliieli is secured u liltewiee inetellie covering.

lt/lletliodo oit eonstruetion ol euriiueeo olf 'tliie kind ore olreody linen/n, in Wliielo. the

Coveringt olieeto ore interrnpted eteeeli rilef und :ire prorided et position with o tliingjd either integral with the notering1 slieet or eeeured thereto.j tlie te'rininel tlongg'es et tlie slieete being secured to `the ribs., Witli or without o Cover ttor tite-joint, by rivetingF or in any ouitedule n'iunner.

llio eonetruetion in ueeordonee with tlie present invention ie elniroeterized lay. tlie toet tliot tlie ooi/erinfgl elieet, Wliieli ie oon tinuoue for en rtreeentendin@u over several riloe', comprises :it tlie position el' noch ritn` o preeeed up told, tlm-t is to sii-jr o 'toltil Aetainding" up perpendieulorly lund enteri'utllyto the eu leoe 4ol" tlie edvt-irinom elieet end adopted to een tlierib Wliieli ie leilft pleno.

The eoeonipenj/inpg' y drawings represent merely ,by weer of enennplee eeverel torino oit' carrying; out tliie inetliod oit/Construction.

Figure l e View in Trertieol section oit :i

eurfeeeelenlenn snowing" tlie connection et eoverinpf e onde lower Covering' (Z eeeli Coinprieins; et euitznilble disteneee dportL porteraiond d1 reei'ieetively, 'folded' et rnrlit ongles to their surteeeel end lying; parallel to the direetion oit' flight oil;n tlie eeroplene. lin

tlieee folds; ore engen-ed tlieednreinitieo oliA4 rilae e inode oit tletielieet; the Connection oli tno eoreru e 'dwitli these-ribs c is effected loro riveting through tlie pressed folds e1 1 eind tlie entreinitiee ot tliie rilee o et e2 d2. y

' 'ltlae ribs.. ineteed oit liei y Continuous de in Figure L inojv"beidisieontinnoun nree E end 3) tlie elemente o o oit tlierind eonneeted to tlie upper dnd lower rerted to tlie lower covering d ie constituted-by en'V tu thus' constituted i poeeeeeee corel-inge e :ind d'7 indy lie identical, os in Figur@ Q: or diilerent7 oerepresented in tu llli re El, in which latter tlie rib element o pped by tlio preseedilold el oct the upper eorerii o' ellos the erdee-eeetion et en inwhile tlie rili element o Connected onillo section. liigure lrepresents in. prolile or end riem o tliielr surt'ziee suoli es ey Wing et zineero plone or the lilre7 constituted in tlienuonner indieeted in llipfure l, Witlr operturod ribs to o eonneeted to the externzil' lfolde` e1 ond d'1 ot the vupper ond lower coverings e und di de shown in .litiga-5', tlio .elieet ot tlie upper covering' e may be secured to the ribs e lier ineens of preeeed folds el, ond oli rivets eg.) while the sheet ot the lower eorerino' d.) lett plaine7 bears et the position of eoeli rin e? :irte-inst o turnedorer edge c1 of tliie riln to Wliieli the lower covering; elieet is secured lay riipfeting et o2.. n u l n 'W17 ll`lie ossemblinpg'ie 'eilleeted Very eunply: the ribs e ere tiret oil' :ill seeured to the lower covering, :ind the upper Coveringn ie tlien mounted in tlie inonner of o lid used to pelose e boit. lill This nietliod ol eonstruetion preeente the 'Following odraintagee (l) 'lllle covering; elieete lieing continuoouey even to the point oit connection Witli tlie elements' ot the frircler (Figure ll, the eteunelr- El@ neee oli the Surface ie ensured..

(2) 'ltlie pressed folds in tlie upper oever# i ingr sheet and the turned-over edges; of the lower port of the ribs, inelre the letter Very rigid Wliieh olwiotes distortion; lit oleo to otlorde Without any erterinilloreeingr9 e, wing; haring e perfinzinent eliope "which is reteined indefinitely in service. llilpreorer tlie Winti',

eoneiderotle Strength to resist torsion.

-l-lovingf tli'ue described my inrention elliot l Chinn irz-` L Vlin Winge ond the lilie inernloere oonetrueted ol' elieet inetel tor eeroplene dying nieeliine sind otlier oirerott, tlie eoinloinotion :lllll withl seperate Inetol riflesj -olt en external elieet motel eoveringr., end inetollio ineetno for rigidly eeeurinoi seid Coveringl to seid rite, Seid eoreringlueing eontinuoue over e pluu relityr ot seid ribs end lier/ine; inte@rell' tT lllll torined preeeedy op toldo9 entendiiugM perpenysheet metal covering, and rivetmeansrigk1dly securing said covering to said nbs, both heads of said rivets appearing upon the externalface of the covering, said covering being-,continuous over a plurality of said` ribs and having integrally formed pressed up folds extending perpendicularly external to the covering surface, said folds being parallel to and-capping vthe edges of the ribs over which the covering extends, said' ribs being arranged substantially perpendicular to the sheet metal covering.

3. In Wings and the like members constructed of sheet metal for aeroplane flying machines and other aircraft, the combination with the metal ribs, of an upper external sheet metal covering continuous over a plurality of said ribs and secured to said -ribs by means of -pressed up folds external to the covering surface, parallel to and capping the upper edges of the ribs over which the covering extends, and a plane lower external sheet metal covering continuous over a plurality of ribs, and secured to the lower edges of said ribs by means of a lflange formed in the lower edges of the ribs.

In testimony -whereof I have signed my vname to this specification.

MICHL HENRY MARIE JOSEPH WIBAULT. 

